Arch Extension Address Plaque will accentuate your Arch Marker Address plaque with elegance. The address plaque is made from rust-free cast aluminum providing excellent quality. Designed to fit under a Estate Arch Marker. Cast from recycled aluminum - will not rust. Aluminum shield coating. All Weather Coatings. Enhances curb appeal while adding value to your home. Personalization is permanently cast into the sign. Please check for accuracy; personalized orders cannot be modified, cancelled, or returned after being placed. Made in USA. It can hold up to 17 characters of 2 inches in height.